DTC P1172: Short Term Fuel Trim Min Value (Air/Fuel too Rich): Notes

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Diagnosing Short Term Fuel Trim - Min Value, Air/Fuel Too Rich

Courtesy of SAAB-SCANIA OF AMERICA, INC.